<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <app-header></app-header> 
        <app-main></app-main>
        <app-footer></app-footer>
    </div>

    <script src="./node_modules/vue/dist/vue.js"></script>
    <!-- 下面组件引用，必须放在vue.js引用下面 -->
    <script src="component/Header.js"></script>
    <script src="component/Main.js"></script>
    <script src="component/Footer.js"></script>
    
    <script>
        var vm = new Vue({
            el:'#app',
            data:{

            }
        })
    </script>
</body>
</html>